Requirements: Valve must be tight against reverse flow under all pressure differentials.
要求：在所有压差下，阀门对于回流必须是密封的。
Filtration operation is in constant pressure differentials, called the constant pressure filter.
过滤操作是在恒定的压差下进行，称为恒压过滤。
It's rigid construction helps maintain more even pressure differentials keeping the filter from collapsing and shutting down your compressor.
这是僵硬的建设有利于保持甚至更差的压力使过滤器崩溃和关闭您的压缩机。
Dynamic variations of the fertilizer solution concentration of outlet of pressure differential tank were tested under different pressure differentials and fertilizers amounts.
该文对不同施肥量和压差条件下施肥罐出口肥料溶液浓度的动态变化进行了测试和分析。
It is proposed that to achieve better waterflooding effect, the pressure differentials of waterflooding and production shall be controlled and formation protection shall be focused on and emphasized.
为达到较好的注水开发效果，建议控制注水压差和采油压差，同时要重视和强调注水过程中的储集层保护。
It is proposed that to achieve better waterflooding effect, the pressure differentials of waterflooding and production shall be controlled and formation protection shall be focused on and emphasized.
为达到较好的注水开发效果，建议控制注水压差和采油压差，同时要重视和强调注水过程中的储集层保护。
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